CN117109660A - Motor junction box temperature and humidity detection device and method based on 5G and infrared detection - Google Patents

Motor junction box temperature and humidity detection device and method based on 5G and infrared detection Download PDF

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Publication number
CN117109660A
CN117109660A CN202311072771.7A CN202311072771A CN117109660A CN 117109660 A CN117109660 A CN 117109660A CN 202311072771 A CN202311072771 A CN 202311072771A CN 117109660 A CN117109660 A CN 117109660A
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temperature
humidity
junction box
infrared
information
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Chinese (zh)
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罗轮
季云
庄伟朝
王荣
余家润
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Best Guangzhou Information Technology Co ltd
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Best Guangzhou Information Technology Co ltd
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Priority to CN202311072771.7A priority Critical patent/CN117109660A/en
Publication of CN117109660A publication Critical patent/CN117109660A/en
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/0096—Radiation pyrometry, e.g. infrared or optical thermometry for measuring wires, electrical contacts or electronic systems
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/02—Constructional details
    • G01J5/03—Arrangements for indicating or recording specially adapted for radiation pyrometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
    • G01J5/90—Testing, inspecting or checking operation of radiation pyrometers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
    • G01K1/00—Details of thermometers not specially adapted for particular types of thermometer
    • G01K1/02—Means for indicating or recording specially adapted for thermometers
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B25/00—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems
    • G08B25/01—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium
    • G08B25/08—Alarm systems in which the location of the alarm condition is signalled to a central station, e.g. fire or police telegraphic systems characterised by the transmission medium using communication transmission lines

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)

Abstract

The application discloses a temperature and humidity detection device and a temperature and humidity detection method for a motor junction box based on 5G and infrared detection, and relates to the technical field of sensors of the Internet of things, wherein the temperature and humidity detection device comprises a sensor module, a processor and a 5G Internet of things module, which are arranged in the junction box; the sensor module is used for collecting temperature and humidity information in the junction box and preprocessing the temperature and humidity information; the processor is used for inputting the preprocessed temperature and humidity information into a corresponding analysis model to acquire alarm information; the 5G internet of things module is used for sending the alarm information configured with the time stamp to the remote monitoring terminal. According to the application, the sensor module, the processor and the 5G Internet of things module are integrated in the motor junction box, so that the problem that temperature and humidity detection and networking are not easy due to environmental reasons in the prior art is solved, real-time accurate monitoring and multiple alarming of temperature and humidity in the junction box are realized, the inspection time of the motor junction box is greatly prolonged, and the work arrangement in the aspect is reduced.

Description

Motor junction box temperature and humidity detection device and method based on 5G and infrared detection
Technical Field
The application relates to the technical field of sensors of the Internet of things, in particular to a motor junction box temperature and humidity detection device and method based on 5G and infrared detection.
Background
The temperature and humidity monitoring is very critical to the junction box of the explosion-proof motor, and abnormal temperature rise or humidity increase conditions can be detected early through the monitoring of the temperature and humidity in the junction box, and the abnormality can indicate the problems of overheating of electrical equipment, wetting or corrosion of insulating materials and the like, and the problems can possibly cause fire, explosion or other safety accidents. Therefore, the temperature and humidity monitoring can help discover potential hazards early, ensure the running safety of equipment, prolong the service life of the equipment, prevent potential faults and improve the efficiency and operation optimization level of industrial enterprises.
Particularly, in industries such as petroleum, chemical industry and the like, the explosion-proof motor junction boxes, particularly the high-voltage motor junction boxes, are numerous and dispersed, the industrial field environment is severe and complex, very high requirements are provided for network safety and data safety, and the explosion-proof motor junction boxes have the characteristic of long-period maintenance of 4 years, and the real-time monitoring sensor and the wireless transmission system need to be capable of safely, stably and reliably running for a long time. Although there are already some temperature and humidity products on the market based on infrared technology, they have the following problems:
firstly, the temperature and humidity detection equipment can only be provided with an infrared detector outside the junction box to collect the temperature inside the junction box, and the temperature and humidity inside the junction box of the motor are not easy to detect and network in real time due to factors such as safety, interference, explosion prevention, reliability, construction difficulty and the like, so that the problems of complex network structure, low collection precision and the like exist;
and secondly, the system cannot be monitored in real time, can only be manually inspected and used for single alarm, and cannot realize multi-level and multi-node linkage alarm.
Disclosure of Invention
Aiming at the defects in the prior art, the application provides a motor junction box temperature and humidity detection device and method based on 5G and infrared detection, which solve the problems of difficult temperature and humidity detection and networking and poor alarm effect in the prior art.
In one aspect, a temperature and humidity detection device of a motor junction box based on 5G and infrared detection is provided, and the temperature and humidity detection device comprises a sensor module, a processor and a 5G Internet of things module which are arranged in the junction box;
the sensor module is used for collecting temperature and humidity information in the junction box and preprocessing the temperature and humidity information, wherein the temperature and humidity information comprises environment temperature information, environment humidity information and infrared temperature information of a three-phase binding post or a heat-generating point in the junction box;
the processor is used for inputting the preprocessed temperature and humidity information into a corresponding analysis model to acquire alarm information;
the 5G internet of things module is used for sending the alarm information configured with the time stamp to the remote monitoring terminal.
Preferably, the sensor module comprises a temperature and humidity sensor and an infrared temperature detector, wherein the temperature and humidity sensor is used for collecting information of the internal environment temperature and the environment humidity of the junction box, the infrared temperature detector is used for collecting information of the infrared temperature of the easily-heated point in the three-phase binding post or the junction box, and a certain safety distance exists between the infrared detector and the three-phase binding post or the easily-heated point.
Preferably, the structure of the 5G internet of things module includes a patch type long strip structure and a cylindrical structure.
Preferably, the processing module comprises an ambient temperature processing unit and an ambient humidity processing unit;
the environment temperature processing unit is used for continuously increasing the environment temperature, judging whether the environment temperature is increased to a first temperature threshold value, if so, judging whether the environment temperature is increased to a second temperature threshold value, if not, judging whether the environment temperature is increased to a third temperature threshold value, and if so, judging whether the environment temperature is increased to a third temperature threshold value, wherein the first temperature threshold value is smaller than the second temperature threshold value, and the second temperature threshold value is smaller than the third temperature threshold value;
the environment humidity processing unit is used for judging whether the environment humidity is increased to a first humidity threshold value when the environment humidity is continuously increased and the increasing rate is relatively stable, if yes, a first-level humidity alarm event exists, if no, whether the environment humidity is increased to a second humidity threshold value, if yes, a second-level humidity alarm event exists, if no, whether the environment humidity is increased to a third humidity threshold value, if yes, a third-level humidity alarm event exists, wherein the first humidity threshold value is smaller than the second humidity threshold value, and the second humidity threshold value is smaller than the third humidity threshold value.
Preferably, the processor further comprises a water infiltration and flooding data processing unit;
and the water seepage and soaking data processing unit is used for inputting the environmental temperature and humidity information into a water seepage and soaking prediction model when the temperature alarm event and the humidity alarm event exist simultaneously so as to determine whether the water seepage and soaking event exists or not and determine the alarm level.
Preferably, the processor further comprises an infrared temperature processing unit, wherein the infrared temperature processing unit comprises an infrared temperature correction unit and an infrared temperature identification unit;
the infrared temperature correction unit is used for obtaining the offset of the infrared detector, determining correction parameters according to the offset of the infrared detector and the ambient temperature, and correcting infrared temperature information according to the correction parameters, wherein the offset of the infrared detector is determined according to the offset of the angle of deflection of the field of view of the infrared detector;
the infrared temperature identification unit is used for inputting the corrected infrared temperature information into the three-phase infrared temperature identification model to determine whether a three-phase temperature alarm event exists or not, and determining the grade of the three-phase temperature alarm event.
Preferably, the processor is further used for determining an associated junction box according to the alarm information and sending a detection instruction to the associated junction box so as to acquire the junction box and the alarm information of the associated junction box;
preferably, the processor further comprises an alarm level determining unit;
the alarm grade determining unit is used for obtaining alarm event evaluation parameters, wherein the alarm event evaluation parameters comprise alarm event types, quantity and grades; and determining the alarm event grade according to the alarm event evaluation parameters.
Preferably, the processor further includes a first junction box determination unit and a second junction box determination unit;
the first junction box determining unit is used for obtaining junction boxes in series connection with the junction boxes, calculating the average value of the lengths of all the connecting lines, scanning by taking the junction boxes as circle centers and the average value as a radius, and taking all the scanned junction boxes as initial associated junction boxes;
the second junction box determining unit is used for judging whether the number of initial associated junction boxes is larger than a first preset number, if yes, the initial associated junction boxes are used as associated junction boxes, if not, the second preset number of junction boxes are randomly extracted from the remaining junction boxes with the serial connection relation, the initial associated junction boxes and the randomly extracted junction boxes are used as associated junction boxes, the first preset number and the second preset number are determined by the alarm event level, and the first preset number is larger than the second preset number.
On the other hand, the motor junction box temperature and humidity detection method based on 5G and infrared detection comprises the following steps:
acquiring temperature and humidity information in a junction box, and preprocessing the temperature and humidity information, wherein the temperature and humidity information comprises environmental temperature information, environmental humidity information and infrared temperature information of a three-phase binding post or a heat-generating point in the junction box;
judging whether an alarm event exists according to the preprocessed temperature and humidity information, determining an associated junction box according to the alarm event grade and sending a detection instruction to the associated junction box when the alarm event exists so as to acquire the junction box and the alarm information of the associated junction box;
and sending the alarm information configured with the time stamp to a remote monitoring terminal.
The beneficial effects of the application are as follows: the application provides a temperature and humidity detection device and method for a motor junction box based on 5G and infrared detection, which are applied to industrial site explosion-proof motor junction boxes of petroleum, chemical industry and the like.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. Like elements or portions are generally identified by like reference numerals throughout the several figures. In the drawings, elements or portions thereof are not necessarily drawn to scale.
Fig. 1 is a schematic structural diagram of a motor junction box temperature and humidity detection device based on 5G and infrared detection according to an embodiment of the present application;
fig. 2 is a junction flow chart of a temperature and humidity detection method of a motor junction box based on 5G and infrared detection according to an embodiment of the application.
Detailed Description
Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs.
Example 1
As shown in fig. 1, the embodiment of the application provides a motor junction box temperature and humidity detection device based on 5G and infrared detection, which comprises a sensor module, a processor and a 5G internet of things module which are arranged in a junction box, wherein the sensor module, the processor and the 5G internet of things module are integrated in the junction box, so that the accuracy of collecting the temperature and humidity of the junction box is improved.
It should be noted that the fixing grooves are reserved at the two ends of the device, so that the device is conveniently and firmly bound on the cable of the wire inlet and outlet inside the junction box by the insulating binding tape.
The sensor module is used for collecting temperature and humidity information in the junction box and preprocessing the temperature and humidity information, wherein the temperature and humidity information comprises environment temperature information, environment humidity information and infrared temperature information of easily-heated points in the three-phase binding post or the junction box.
The sensor module comprises a temperature and humidity sensor and an infrared temperature detector, wherein the temperature and humidity sensor is used for collecting information of the internal environment temperature and the environment humidity of the junction box, the infrared temperature detector is used for collecting information of the infrared temperature, a certain distance exists between the infrared detector and the three-phase binding post, the infrared detector is arranged in consideration of the safety distance, the safety is further improved, the infrared detector is divided into a single-point type and a multi-point type, and the infrared detector is respectively corresponding to the temperature measurement of the heating point of the three-phase binding post and the temperature measurement imaging of the surface of the heating point.
The processor is used for inputting the preprocessed temperature and humidity information into a corresponding analysis model to acquire alarm information.
In this embodiment, the processing module includes an ambient temperature processing unit and an ambient humidity processing unit; the environment temperature processing unit is used for continuously increasing the environment temperature, judging whether the environment temperature is increased to a first temperature threshold value, if so, judging whether the environment temperature is increased to a second temperature threshold value, if not, judging whether the environment temperature is increased to a third temperature threshold value, and if so, judging whether the environment temperature is increased to a third temperature threshold value, wherein the first temperature threshold value is smaller than the second temperature threshold value, and the second temperature threshold value is smaller than the third temperature threshold value; the environment humidity processing unit is used for judging whether the environment humidity is increased to a first humidity threshold value when the environment humidity is continuously increased and the increasing rate is relatively stable, if yes, a first-level humidity alarm event exists, if no, whether the environment humidity is increased to a second humidity threshold value, if yes, a second-level humidity alarm event exists, if no, whether the environment humidity is increased to a third humidity threshold value, if yes, a third-level humidity alarm event exists, wherein the first humidity threshold value is smaller than the second humidity threshold value, and the second humidity threshold value is smaller than the third humidity threshold value.
Whether a temperature and humidity alarm event and a corresponding alarm grade exist or not can be judged preliminarily according to the change condition of the environmental temperature and humidity.
In order to improve the alarm precision, the temperature and humidity alarm event level needs to be further judged according to the increase rate of the ambient temperature and humidity. When the environmental temperature and humidity continuously increases and the increasing rate gradually decreases, the environmental temperature and humidity continuously increases and the increasing rate is relatively stable, the environmental temperature and humidity continuously increases, the four-level temperature and humidity alarming event, the five-level temperature and humidity alarming event and the six-level temperature and humidity alarming event are respectively corresponding, and when the environmental temperature and humidity continuously increases and the increasing rate gradually increases, the seven-level temperature and humidity alarming event, the eight-level temperature and humidity alarming event and the nine-level temperature and humidity alarming event are respectively corresponding, and the judging method of each temperature and humidity alarming event is similar to the embodiment and is not repeated herein.
In this embodiment, the processor further includes a water infiltration and flooding data processing unit; and the water seepage and soaking data processing unit is used for inputting the environmental temperature and humidity information into a water seepage and soaking prediction model when the temperature alarm event and the humidity alarm event exist simultaneously so as to determine whether the water seepage and soaking event exists or not and determine the alarm level.
If the environment temperature or humidity changes simultaneously, the situation that infiltration or soaking possibly appears in the terminal box, and this embodiment inputs the infiltration model that the training was accomplished in advance with environment humiture when temperature alarm event and humidity alarm event exist simultaneously, confirms whether to send infiltration/soaking and infiltration/soaking condition through the model, does not need extra sensor also can realize the accurate detection of infiltration and soaking.
In this embodiment, the processor further includes an infrared temperature processing unit, where the infrared temperature processing unit includes an infrared temperature correction unit and an infrared temperature identification unit; the infrared temperature correction unit is used for obtaining the offset of the infrared detector, determining correction parameters according to the offset of the infrared detector and the ambient temperature, and correcting infrared temperature information according to the correction parameters, wherein the offset of the infrared detector is determined according to the offset of the angle of deflection of the field of view of the infrared detector; the infrared temperature identification unit is used for inputting the corrected infrared temperature information into the three-phase infrared temperature identification model to determine whether a three-phase temperature alarm event exists or not, and determining the grade of the three-phase temperature alarm event.
Specifically, when the offset is smaller than a first offset threshold and the difference between the ambient temperature and the standard temperature is smaller than the first threshold, the infrared temperature information is corrected by adopting a first correction parameter, when the offset is smaller than the first offset threshold and the difference between the ambient temperature and the standard temperature is larger than the first threshold and smaller than the second threshold, the three-phase infrared temperature sensor is corrected by adopting a third correction parameter, and when the offset is larger than the first offset threshold and smaller than the second offset threshold and the difference between the ambient temperature and the standard temperature is smaller than the first threshold, the three-phase infrared temperature sensor is corrected by adopting the third correction parameter, so that the multi-stage correction of the infrared temperature information is realized.
Under the condition that no displacement sensor is used for assisting, whether the infrared sensor is displaced or not can be judged by detecting the change of the angle of view of the infrared detector, and the position of the infrared detector is possibly changed due to the vibration of the motor, so that the infrared radiation intensity (namely the infrared signal intensity) detected by the infrared detector is changed, and the recognition result of the infrared temperature is affected. Specifically, the offset is determined by calculating the difference between the current area and the initial area of a specified area, and of course, the offset may be determined according to the movement direction of the specified area. It is also to be noted that the information identification such as vibration direction, horizontal vibration displacement, axial vibration displacement and the like can be performed through the movement direction and the difference value of the area, so that more comprehensive identification is provided for the fault of the junction box.
According to the embodiment, the infrared temperature information is corrected by comprehensively considering the ambient temperature and the offset of the infrared detector, so that the detection precision is improved, and the alarm effect is improved.
On the basis of the embodiment, the processor is further used for determining an associated junction box according to the alarm information and sending a detection instruction to the associated junction box so as to acquire the junction box and the alarm information of the associated junction box.
If the junction boxes are in parallel connection, one junction box fault does not affect the other junction box, but if the junction boxes are in series connection, one junction box fault affects the other junction box, and the influence degree between adjacent junction boxes is the greatest, so the embodiment provides a junction box association detection method.
In this embodiment, the processor further includes an alarm level determining unit; the alarm grade determining unit is used for obtaining alarm event evaluation parameters, wherein the alarm event evaluation parameters comprise alarm event types, quantity and grades; and determining the alarm event grade according to the alarm event evaluation parameters.
The higher the alarm event level, the higher the failure rate of the surrounding junction boxes, so that the temperature and humidity information of the surrounding junction boxes need to be analyzed and processed, and the junction boxes need to be screened to reduce the data volume. The distance between two adjacent junction boxes is also one of the influencing factors of the failure rate of the adjacent junction boxes through researches, so the junction boxes are subjected to primary screening through the distance in the embodiment.
In this embodiment, the processor further includes a first junction box determination unit and a second junction box determination unit; the first junction box determining unit is used for obtaining junction boxes in series connection with the junction boxes, calculating the average value of the lengths of all the connecting lines, scanning by taking the junction boxes as circle centers and the average value as a radius, and taking all the scanned junction boxes as initial associated junction boxes; the second junction box determining unit is used for judging whether the number of initial associated junction boxes is larger than a first preset number, if yes, the initial associated junction boxes are used as associated junction boxes, if not, the second preset number of junction boxes are randomly extracted from the remaining junction boxes with the serial connection relation, the initial associated junction boxes and the randomly extracted junction boxes are used as associated junction boxes, the first preset number and the second preset number are determined by the alarm event level, and the first preset number is larger than the second preset number. The abnormal condition of the whole series network can be evaluated through the junction box and the alarm information of the associated junction box, and more comprehensive decision information is provided for users.
The 5G internet of things module is used for sending the alarm information configured with the time stamp to the remote monitoring terminal.
The 5G Internet of things module is a 5G Internet of things module, the structure of the 5G Internet of things module comprises a patch type long strip structure and a cylindrical structure, the patch type long strip structure or the cylindrical long structure 5G Internet of things module can be selected according to the requirement of a motor junction box wire inlet and outlet structure, different antenna leading-out modes are adopted, the junction box structure is not changed, and then the explosion-proof performance of the junction box is guaranteed.
The format of the timestamp may be terminal box identifier/year/month/day/minute/second, which may be set according to the specific situation, and is not limited in this embodiment. The time stamp is configured for the alarm information of each junction box, the security of data transmission can be provided by verifying the time stamp, and the remote monitoring terminal can carry out multi-level and multi-node linkage alarm according to the verified alarm information.
In summary, the embodiment of the application provides a motor junction box temperature and humidity detection device based on 5G and infrared detection, which integrates a sensor module, a processor and a 5G internet of things module into a motor junction box, so that the problem that the existing junction box temperature and humidity detection equipment can only be provided with an infrared detector outside the junction box to collect the temperature inside the junction box is solved; and can only realize single warning, can't realize the problem of multi-level, multinode linkage warning.
Example 2
As shown in fig. 2, the method for detecting temperature and humidity of a motor junction box based on 5G and infrared detection provided by the embodiment of the application includes: acquiring temperature and humidity information in a junction box, and preprocessing the temperature and humidity information, wherein the temperature and humidity information comprises environment temperature information, environment humidity information and infrared temperature information; judging whether an alarm event exists according to the preprocessed temperature and humidity information, determining an associated junction box according to the alarm event grade and sending a detection instruction to the associated junction box when the alarm event exists so as to acquire the junction box and the alarm information of the associated junction box; and sending the alarm information configured with the time stamp to a remote monitoring terminal.
It should be understood that, for the same inventive concept, the method for detecting the temperature and humidity of the motor junction box based on 5G and infrared detection provided in the embodiments of the present application and the device for detecting the temperature and humidity of the motor junction box based on 5G and infrared detection provided in the embodiments of the present application, reference may be made to the foregoing embodiments for more specific working principles of each step in the embodiments of the present application, and details are not described in the present embodiment.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description.

Claims (10)

1. The motor junction box temperature and humidity detection device based on 5G and infrared detection is characterized by comprising a sensor module, a processor and a 5G Internet of things module, wherein the sensor module, the processor and the 5G Internet of things module are arranged in the junction box;
the sensor module is used for collecting temperature and humidity information in the junction box and preprocessing the temperature and humidity information, wherein the temperature and humidity information comprises environment temperature information, environment humidity information and infrared temperature information of a three-phase binding post or a heat-generating point in the junction box;
the processor is used for inputting the preprocessed temperature and humidity information into a corresponding analysis model to acquire alarm information;
the 5G internet of things module is used for sending the alarm information configured with the time stamp to the remote monitoring terminal.
2. The 5G and infrared detection-based motor junction box temperature and humidity detection device according to claim 1, wherein the sensor module comprises a temperature and humidity sensor and an infrared temperature detector, the temperature and humidity sensor is used for collecting information of the internal environment temperature and the environment humidity of the junction box, the infrared temperature detector is used for collecting information of the infrared temperature of a three-phase binding post or a heat-generating point in the junction box, and a certain safety distance exists between the infrared detector and the three-phase binding post or the heat-generating point.
3. The 5G and infrared detection based motor junction box temperature and humidity detection device according to claim 1, wherein the structure of the 5G internet of things antenna module comprises a patch type long strip structure and a cylindrical structure.
4. The 5G and infrared detection based motor junction box temperature and humidity detection device according to claim 1, wherein the processing module comprises an ambient temperature processing unit and an ambient humidity processing unit;
the environment temperature processing unit is used for continuously increasing the environment temperature, judging whether the environment temperature is increased to a first temperature threshold value, if so, judging whether the environment temperature is increased to a second temperature threshold value, if not, judging whether the environment temperature is increased to a third temperature threshold value, and if so, judging whether the environment temperature is increased to a third temperature threshold value, wherein the first temperature threshold value is smaller than the second temperature threshold value, and the second temperature threshold value is smaller than the third temperature threshold value;
the environment humidity processing unit is used for judging whether the environment humidity is increased to a first humidity threshold value when the environment humidity is continuously increased and the increasing rate is relatively stable, if yes, a first-level humidity alarm event exists, if no, whether the environment humidity is increased to a second humidity threshold value, if yes, a second-level humidity alarm event exists, if no, whether the environment humidity is increased to a third humidity threshold value, if yes, a third-level humidity alarm event exists, wherein the first humidity threshold value is smaller than the second humidity threshold value, and the second humidity threshold value is smaller than the third humidity threshold value.
5. The 5G and infrared detection based motor junction box temperature and humidity detection device according to claim 4, wherein the processor further comprises a water seepage and water immersion data processing unit;
and the water seepage and soaking data processing unit is used for inputting the environmental temperature and humidity information into a water seepage and soaking prediction model when the temperature alarm event and the humidity alarm event exist simultaneously so as to determine whether the water seepage and soaking event exists or not and determine the alarm level.
6. The 5G and infrared detection based motor junction box temperature and humidity detection device according to claim 1, wherein the processor further comprises an infrared temperature processing unit, and the infrared temperature processing unit comprises an infrared temperature correction unit and an infrared temperature identification unit;
the infrared temperature correction unit is used for obtaining the offset of the infrared detector, determining correction parameters according to the offset of the infrared detector and the ambient temperature, and correcting infrared temperature information according to the correction parameters, wherein the offset of the infrared detector is determined according to the offset of the angle of deflection of the field of view of the infrared detector;
the infrared temperature identification unit is used for inputting the corrected infrared temperature information into the three-phase infrared temperature identification model to determine whether a three-phase temperature alarm event exists or not, and determining the grade of the three-phase temperature alarm event.
7. The 5G and infrared detection based motor junction box temperature and humidity detection device according to claim 1, wherein the processor is further configured to determine an associated junction box according to the alarm information and send a detection instruction to the associated junction box to obtain the alarm information of the junction box and the associated junction box.
8. The 5G and infrared detection based motor junction box temperature and humidity detection device according to claim 1, wherein the processor further comprises an alarm level determination unit;
the alarm grade determining unit is used for obtaining alarm event evaluation parameters, wherein the alarm event evaluation parameters comprise alarm event types, quantity and grades; and determining the alarm event grade according to the alarm event evaluation parameters.
9. The 5G and infrared detection based motor junction box temperature and humidity detection device according to claim 8, wherein the processor further comprises a first junction box determination unit and a second junction box determination unit;
the first junction box determining unit is used for obtaining junction boxes in series connection with the junction boxes, calculating the average value of the lengths of all the connecting lines, scanning by taking the junction boxes as circle centers and the average value as a radius, and taking all the scanned junction boxes as initial associated junction boxes;
the second junction box determining unit is used for judging whether the number of initial associated junction boxes is larger than a first preset number, if yes, the initial associated junction boxes are used as associated junction boxes, if not, the second preset number of junction boxes are randomly extracted from the remaining junction boxes with the serial connection relation, the initial associated junction boxes and the randomly extracted junction boxes are used as associated junction boxes, the first preset number and the second preset number are determined by the alarm event level, and the first preset number is larger than the second preset number.
10. The motor junction box temperature and humidity detection method based on 5G and infrared detection is characterized by comprising the following steps of:
acquiring temperature and humidity information in a junction box, and preprocessing the temperature and humidity information, wherein the temperature and humidity information comprises environmental temperature information, environmental humidity information and infrared temperature information of a three-phase binding post or a heat-generating point in the junction box;
inputting the preprocessed temperature and humidity information into a corresponding analysis model to acquire alarm information;
the 5G internet of things module is used for sending the alarm information configured with the time stamp to a remote monitoring system or a monitoring platform.
CN202311072771.7A 2023-08-23 2023-08-23 Motor junction box temperature and humidity detection device and method based on 5G and infrared detection Pending CN117109660A (en)

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